package Cylinder;

public class yuan {

    double h=1,r=0.5;

    public yuan(double h,double r) {

        this.h=h;
        this.r=r;
    }

    public double area() {

        double s;
        s=r*r*3.14*2+2*3.14*r*h;
        return s;
    }
    public double VV() {

        double v=r*r*3.14*h;
        return v;
    }


}